<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-lx-cascades"></i> 销售列表
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        <div class="container">
            <div class="handle-box">
                <el-button
                    type="primary"
                    icon="el-icon-delete"
                    class="handle-del mr10"
                    @click="delAllSelection"
                >批量删除</el-button>
                <el-input v-model="query.name" placeholder="用户名 / 地址" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
            </div>
            <el-table
                :data="tables[0].slice((query.pageIndex - 1) * query.pageSize , query.pageIndex * query.pageSize)"
                border
                class="table"
                ref="multipleTable"
                header-cell-class-name="table-header"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="id" label="ID" width="55" align="center"></el-table-column>
                <el-table-column prop="name" width="90px" label="姓名"></el-table-column>
                
                <el-table-column width="180" label="学习方向">
                    <template slot-scope="scope">{{scope.row.money}}</template>
                </el-table-column>
                <el-table-column prop="gender" width="180px" label="性别及年龄"></el-table-column>
                <el-table-column width="230px"  prop="address" label="学习地址"></el-table-column>
                <el-table-column label="报名是否成功" align="center">
                    <template slot-scope="scope">
                        <el-tag
                            :type="scope.row.state==='成功'?'success':(scope.row.state==='失败'?'danger':'')"
                        >{{scope.row.state}}</el-tag>
                    </template>
                </el-table-column>

                <el-table-column prop="date" label="上课时间"></el-table-column>
                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <el-button
                            type="text"
                            icon="el-icon-edit"
                            @click="handleEdit(scope.$index, scope.row)"
                        >编辑</el-button>
                        <el-button
                            type="text"
                            icon="el-icon-delete"
                            class="red"
                            @click="handleDelete(scope.$index, scope.row)"
                        >删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <div class="pagination">
                <el-pagination
                    background
                    layout="total, prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="count"
                    @current-change="handlePageChange"
                    @size-change="handleSizeChange"
                ></el-pagination>
            </div>
        </div>

        <!-- 编辑弹出框 -->
        <el-dialog title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                <el-form-item label="车主姓名">
                    <el-input v-model="form.name"></el-input>
                </el-form-item>
                <el-form-item label="购买地址">
                    <el-input v-model="form.address"></el-input>
                </el-form-item>
                <p class="promise">将保密所有用户信息不会泄露</p>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
import { fetchData } from '../../api/index';
export default {
    name: 'basetable',
    data() {
        return {
            query: {
                address: '',
                name: '',
                pageIndex: 1,
                pageSize: 10
            },
            tableData: [],
            multipleSelection: [],
            delList: [],
            editVisible: false,
            pageTotal: 0,
            form: {},
            idx: -1,
            id: -1,
            searchContent: '',
        };
    },
    created() { 
        this.getData();
    },
    methods: {
        // 获取 easy-mock 的模拟数据
        getData() {
            fetchData(this.query).then(res => {
                console.log(res);
                this.tableData = res.list;  
                this.pageTotal = res.pageTotal || 50;
            });
        },
        // 触发搜索按钮
        handleSearch() {
            this.$set(this.query, 'pageIndex', 1);
            this.getData();
            this.searchContent=this.query.name
		    console.log(this.searchContent)
        },
        // 删除操作
        handleDelete(index, row) {
            // 二次确认删除
            this.$confirm('确定要删除吗？', '提示', {
                type: 'warning'
            })
                .then(() => {
                    this.$message.success('删除成功');
                    this.tableData.splice(index, 1);
                })
                .catch(() => {});
        },
        // 多选操作
        handleSelectionChange(val) {
            console.log(val)
            this.multipleSelection = val;
        },
        delAllSelection() {
            var d = this.tableData;
            this.$refs.multipleTable.selection.forEach((Ele, index) => {
                console.log(Ele.id);
                for(var i = 0 ; i<d.length; i ++ ){
                    var t = d[i].id;
                    if( t == Ele.id ){
                        d.splice(i , 1);
                    }
                }
                console.log(index);
            });
        },
        // 编辑操作
        handleEdit(index, row) {
            this.idx = index;
            this.form = row;
            this.editVisible = true;
        },
        // 保存编辑
        saveEdit() {
            this.editVisible = false;
            this.$message.success(`第 ${this.idx + 1} 行信息修改成功`);
            this.$set(this.tableData, this.idx, this.form);
        },
        // 分页导航
        handlePageChange(val) {
            this.$set(this.query, 'pageIndex', val);
            this.getData();
        },
        handleSizeChange(val){
            this.$set(this.query, 'pageSize', val);
            this.getData();
        }
    },
    computed: {
        tables() {
        const search = this.searchContent;
        //当将input框清空时，使列表自动展示搜索前的完整数据，并返回至首页，防止叠加搜索
        if(this.inputContent==''){
            this.searchContent=''
            this.query.pageIndex=1
        return [this.tableData,this.count=this.tableData.length];
        }
        if (search!=='') {
            return [this.tableData.filter((dataNews) => {
            return Object.keys(dataNews).some((key) => {
                return String(dataNews[key]).toLowerCase().indexOf(search) > -1;
            });
            }),
                    this.count = this.tableData.filter((dataNews) => {
            return Object.keys(dataNews).some((key) => {
                return String(dataNews[key]).toLowerCase().indexOf(search) > -1;
            });
            }).length];
        }
        return [this.tableData,this.count=this.tableData.length];
        }
    }
};
</script>

<style scoped>
.handle-box {
    margin-bottom: 20px;
}

.handle-select {
    width: 120px;
}

.handle-input {
    width: 300px;
    display: inline-block;
}
.table {
    width: 100%;
    font-size: 14px;
}
.red {
    color: #ff0000;
}
.mr10 {
    margin-right: 10px;
}
.table-td-thumb {
    display: block;
    margin: auto;
    width: 120px;
    height: 60px;
}
.promise{
    text-align: center;
    font-size: 12px;
    font-weight: bolder;
    color: #ff0000;
}
</style>
